18904928

素因数分解:

$2^5\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2281}}^1$

素因数の和:2335

約数の個数: 48

約数和(自身を含む): 43704864

約数和(自身を除く): 24799936

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 56, 74, 112, 148, 224, 259, 296, 518, 592, 1036, 1184, 2072, 2281, 4144, 4562, 8288, 9124, 15967, 18248, 31934, 36496, 63868, 72992, 84397, 127736, 168794, 255472, 337588, 510944, 590779, 675176, 1181558, 1350352, 2363116, 2700704, 4726232, 9452464, 18904928]

約数ペア:

[(1, 18904928), (2, 9452464), (4, 4726232), (7, 2700704), (8, 2363116), (14, 1350352), (16, 1181558), (28, 675176), (32, 590779), (37, 510944), (56, 337588), (74, 255472), (112, 168794), (148, 127736), (224, 84397), (259, 72992), (296, 63868), (518, 36496), (592, 31934), (1036, 18248), (1184, 15967), (2072, 9124), (2281, 8288), (4144, 4562)]